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- I choose to become weak at the wrong time. 我在这个错误的时候选择变得软弱。
- After implanting ,on day 5, Ley remained in the luminal epithelium, on day 6 staining became weak at implantation site. 着床后，两者在第5和8天的整个间质均有表达，6一7天主要在临近肌层的未发生蜕膜化的间质细胞内表达，另外MMP一2在第5天腔上皮强表达，MMP一9在滋养细胞有较强表达。
- The shock make me go all weak at the knee. 这件事把我吓得两腿发软。
- The shock made me go all weak at the knees. 这件事把我吓得两腿发软。
- Do you ever take the subway alone late at night? 你有没有在深夜单独乘过地铁？
- We used to hear the train whistle at night. 过去我们常会在晚上听到火车的汽笛声。
- This music's easy on the ear late at night. 这音乐夜晚听起来很好听。
- I will beware of strong tea at night. 我要注意晚上不喝浓茶。
- Police patrol the streets at night. 警察晚间在街道上巡逻。
- He's afraid of going out/to go out alone at night. 他害怕夜晚独自出去。
- The house perfects often snoop around our campus at night. 学生纠察队经常夜间在校园里巡逻。
- Owls sleep by day and work at night. 猫头鹰白天睡觉晚上工作。
- At night the ship ran around all standing. 晚上，船在航行时突然触礁了。
- He warned against going there at night. 他提醒不要夜里去那里。
- He warned me against going there at night. 他警告我晚上不要到那去。
- The nightingale sings sweetly at night. 这只夜莺夜里唱得很好听。
- The ship slipped into the harbour at night. 那艘船夜里悄悄开进了港口。
- The shock made me go all weak at the knee. 这件事把我吓得两腿发软。
- His sudden smile made her go weak at the knees. 他突然笑了笑使得她两膝发软。
- They decided to attack at night. 他们决定夜晚进攻。
